/*
* Copyright 2012-17 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#include "reg_helper.h"
#include "resource.h"
#include "dwb.h"
#include "dcn20_dwb.h"
#define REG(reg)\
dwbc20->dwbc_regs->reg
#define CTX \
dwbc20->base.ctx
#define DC_LOGGER \
dwbc20->base.ctx->logger
#undef FN
#define FN(reg_name, field_name) \
dwbc20->dwbc_shift->field_name, dwbc20->dwbc_mask->field_name
enum dwb_outside_pix_strategy {
DWB_OUTSIDE_PIX_STRATEGY_BLACK = 0,
DWB_OUTSIDE_PIX_STRATEGY_EDGE = 1
};
static bool dwb2_get_caps(struct dwbc *dwbc, struct dwb_caps *caps)
{
struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
if (caps) {
caps->adapter_id = 0; /* we only support 1 adapter currently */
caps->hw_version = DCN_VERSION_2_0;
caps->num_pipes = 1;
memset(&caps->reserved, 0, sizeof(caps->reserved));
memset(&caps->reserved2, 0, sizeof(caps->reserved2));
caps->sw_version = dwb_ver_1_0;
caps->caps.support_dwb = true;
caps->caps.support_ogam = false;
caps->caps.support_wbscl = false;
caps->caps.support_ocsc = false;
DC_LOG_DWB("%s SUPPORTED! inst = %d", __func__, dwbc20->base.inst);
return true;
} else {
DC_LOG_DWB("%s NOT SUPPORTED! inst = %d", __func__, dwbc20->base.inst);
return false;
}
}
void dwb2_config_dwb_cnv(struct dwbc *dwbc, struct dc_dwb_params *params)
{
struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
DC_LOG_DWB("%s inst = %d", __func__, dwbc20->base.inst);
/* Set DWB source size */
REG_UPDATE_2(CNV_SOURCE_SIZE, CNV_SOURCE_WIDTH, params->cnv_params.src_width,
CNV_SOURCE_HEIGHT, params->cnv_params.src_height);
/* source size is not equal the source size, then enable cropping. */
if (params->cnv_params.crop_en) {
REG_UPDATE(CNV_MODE, CNV_WINDOW_CROP_EN, 1);
REG_UPDATE(CNV_WINDOW_START, CNV_WINDOW_START_X, params->cnv_params.crop_x);
REG_UPDATE(CNV_WINDOW_START, CNV_WINDOW_START_Y, params->cnv_params.crop_y);
REG_UPDATE(CNV_WINDOW_SIZE, CNV_WINDOW_WIDTH, params->cnv_params.crop_width);
REG_UPDATE(CNV_WINDOW_SIZE, CNV_WINDOW_HEIGHT, params->cnv_params.crop_height);
} else {
REG_UPDATE(CNV_MODE, CNV_WINDOW_CROP_EN, 0);
}
/* Set CAPTURE_RATE */
REG_UPDATE(CNV_MODE, CNV_FRAME_CAPTURE_RATE, params->capture_rate);
/* Set CNV output pixel depth */
REG_UPDATE(CNV_MODE, CNV_OUT_BPC, params->cnv_params.cnv_out_bpc);
}
static bool dwb2_enable(struct dwbc *dwbc, struct dc_dwb_params *params)
{
struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
/* Only chroma scaling (sub-sampling) is supported in DCN2 */
if ((params->cnv_params.src_width != params->dest_width) ||
(params->cnv_params.src_height != params->dest_height)) {
DC_LOG_DWB("%s inst = %d, FAILED!LUMA SCALING NOT SUPPORTED", __func__, dwbc20->base.inst);
return false;
}
DC_LOG_DWB("%s inst = %d, ENABLED", __func__, dwbc20->base.inst);
/* disable power gating */
//REG_UPDATE_5(WB_EC_CONFIG, DISPCLK_R_WB_GATE_DIS, 1,
// DISPCLK_G_WB_GATE_DIS, 1, DISPCLK_G_WBSCL_GATE_DIS, 1,
// WB_LB_LS_DIS, 1, WB_LUT_LS_DIS, 1);
/* Set WB_ENABLE (not double buffered; capture not enabled) */
REG_UPDATE(WB_ENABLE, WB_ENABLE, 1);
/* Set CNV parameters */
dwb2_config_dwb_cnv(dwbc, params);
/* Set scaling parameters */
dwb2_set_scaler(dwbc, params);
/* Enable DWB capture enable (double buffered) */
REG_UPDATE(CNV_MODE, CNV_FRAME_CAPTURE_EN, DWB_FRAME_CAPTURE_ENABLE);
// disable warmup
REG_UPDATE(WB_WARM_UP_MODE_CTL1, GMC_WARM_UP_ENABLE, 0);
return true;
}
bool dwb2_disable(struct dwbc *dwbc)
{
struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
DC_LOG_DWB("%s inst = %d, Disabled", __func__, dwbc20->base.inst);
/* disable CNV */
REG_UPDATE(CNV_MODE, CNV_FRAME_CAPTURE_EN, DWB_FRAME_CAPTURE_DISABLE);
/* disable WB */
REG_UPDATE(WB_ENABLE, WB_ENABLE, 0);
/* soft reset */
REG_UPDATE(WB_SOFT_RESET, WB_SOFT_RESET, 1);
REG_UPDATE(WB_SOFT_RESET, WB_SOFT_RESET, 0);
/* enable power gating */
//REG_UPDATE_5(WB_EC_CONFIG, DISPCLK_R_WB_GATE_DIS, 0,
// DISPCLK_G_WB_GATE_DIS, 0, DISPCLK_G_WBSCL_GATE_DIS, 0,
// WB_LB_LS_DIS, 0, WB_LUT_LS_DIS, 0);
return true;
}
static bool dwb2_update(struct dwbc *dwbc, struct dc_dwb_params *params)
{
struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
unsigned int pre_locked;
/* Only chroma scaling (sub-sampling) is supported in DCN2 */
if ((params->cnv_params.src_width != params->dest_width) ||
(params->cnv_params.src_height != params->dest_height)) {
DC_LOG_DWB("%s inst = %d, FAILED!LUMA SCALING NOT SUPPORTED", __func__, dwbc20->base.inst);
return false;
}
DC_LOG_DWB("%s inst = %d, scaling", __func__, dwbc20->base.inst);
/*
* Check if the caller has already locked CNV registers.
* If so: assume the caller will unlock, so don't touch the lock.
* If not: lock them for this update, then unlock after the
* update is complete.
*/
REG_GET(CNV_UPDATE, CNV_UPDATE_LOCK, &pre_locked);
if (pre_locked == 0) {
/* Lock DWB registers */
REG_UPDATE(CNV_UPDATE, CNV_UPDATE_LOCK, 1);
}
/* Set CNV parameters */
dwb2_config_dwb_cnv(dwbc, params);
/* Set scaling parameters */
dwb2_set_scaler(dwbc, params);
if (pre_locked == 0) {
/* Unlock DWB registers */
REG_UPDATE(CNV_UPDATE, CNV_UPDATE_LOCK, 0);
}
return true;
}
bool dwb2_is_enabled(struct dwbc *dwbc)
{
struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
unsigned int wb_enabled = 0;
unsigned int cnv_frame_capture_en = 0;
REG_GET(WB_ENABLE, WB_ENABLE, &wb_enabled);
REG_GET(CNV_MODE, CNV_FRAME_CAPTURE_EN, &cnv_frame_capture_en);
return ((wb_enabled != 0) && (cnv_frame_capture_en != 0));
}
void dwb2_set_stereo(struct dwbc *dwbc,
struct dwb_stereo_params *stereo_params)
{
struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
DC_LOG_DWB("%s inst = %d, enabled =%d", __func__,\
dwbc20->base.inst, stereo_params->stereo_enabled);
if (stereo_params->stereo_enabled) {
REG_UPDATE(CNV_MODE, CNV_STEREO_TYPE, stereo_params->stereo_type);
REG_UPDATE(CNV_MODE, CNV_EYE_SELECTION, stereo_params->stereo_eye_select);
REG_UPDATE(CNV_MODE, CNV_STEREO_POLARITY, stereo_params->stereo_polarity);
} else {
REG_UPDATE(CNV_MODE, CNV_EYE_SELECTION, 0);
}
}
void dwb2_set_new_content(struct dwbc *dwbc,
bool is_new_content)
{
struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
DC_LOG_DWB("%s inst = %d", __func__, dwbc20->base.inst);
REG_UPDATE(CNV_MODE, CNV_NEW_CONTENT, is_new_content);
}
static void dwb2_set_warmup(struct dwbc *dwbc,
struct dwb_warmup_params *warmup_params)
{
struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
DC_LOG_DWB("%s inst = %d", __func__, dwbc20->base.inst);
REG_UPDATE(WB_WARM_UP_MODE_CTL1, GMC_WARM_UP_ENABLE, warmup_params->warmup_en);
REG_UPDATE(WB_WARM_UP_MODE_CTL1, WIDTH_WARMUP, warmup_params->warmup_width);
REG_UPDATE(WB_WARM_UP_MODE_CTL1, HEIGHT_WARMUP, warmup_params->warmup_height);
REG_UPDATE(WB_WARM_UP_MODE_CTL2, DATA_VALUE_WARMUP, warmup_params->warmup_data);
REG_UPDATE(WB_WARM_UP_MODE_CTL2, MODE_WARMUP, warmup_params->warmup_mode);
REG_UPDATE(WB_WARM_UP_MODE_CTL2, DATA_DEPTH_WARMUP, warmup_params->warmup_depth);
}
void dwb2_set_scaler(struct dwbc *dwbc, struct dc_dwb_params *params)
{
struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc);
DC_LOG_DWB("%s inst = %d", __func__, dwbc20->base.inst);
/* Program scaling mode */
REG_UPDATE_2(WBSCL_MODE, WBSCL_MODE, params->out_format,
WBSCL_OUT_BIT_DEPTH, params->output_depth);
if (params->out_format != dwb_scaler_mode_bypass444) {
/* Program output size */
REG_UPDATE(WBSCL_DEST_SIZE, WBSCL_DEST_WIDTH, params->dest_width);
REG_UPDATE(WBSCL_DEST_SIZE, WBSCL_DEST_HEIGHT, params->dest_height);
/* Program round offsets */
REG_UPDATE(WBSCL_ROUND_OFFSET, WBSCL_ROUND_OFFSET_Y_RGB, 0x40);
REG_UPDATE(WBSCL_ROUND_OFFSET, WBSCL_ROUND_OFFSET_CBCR, 0x200);
/* Program clamp values */
REG_UPDATE(WBSCL_CLAMP_Y_RGB, WBSCL_CLAMP_UPPER_Y_RGB, 0x3fe);
REG_UPDATE(WBSCL_CLAMP_Y_RGB, WBSCL_CLAMP_LOWER_Y_RGB, 0x1);
REG_UPDATE(WBSCL_CLAMP_CBCR, WBSCL_CLAMP_UPPER_CBCR, 0x3fe);
REG_UPDATE(WBSCL_CLAMP_CBCR, WBSCL_CLAMP_LOWER_CBCR, 0x1);
/* Program outside pixel strategy to use edge pixels */
REG_UPDATE(WBSCL_OUTSIDE_PIX_STRATEGY, WBSCL_OUTSIDE_PIX_STRATEGY, DWB_OUTSIDE_PIX_STRATEGY_EDGE);
if (params->cnv_params.crop_en) {
/* horizontal scale */
dwb_program_horz_scalar(dwbc20, params->cnv_params.crop_width,
params->dest_width,
params->scaler_taps);
/* vertical scale */
dwb_program_vert_scalar(dwbc20, params->cnv_params.crop_height,
params->dest_height,
params->scaler_taps,
params->subsample_position);
} else {
/* horizontal scale */
dwb_program_horz_scalar(dwbc20, params->cnv_params.src_width,
params->dest_width,
params->scaler_taps);
/* vertical scale */
dwb_program_vert_scalar(dwbc20, params->cnv_params.src_height,
params->dest_height,
params->scaler_taps,
params->subsample_position);
}
}
if (dwbc20->dwbc_mask->WBSCL_COEF_RAM_SEL) {
/* Swap double buffered coefficient set */
uint32_t wbscl_mode = REG_READ(WBSCL_MODE);
bool coef_ram_current = get_reg_field_value_ex(
wbscl_mode, dwbc20->dwbc_mask->WBSCL_COEF_RAM_SEL_CURRENT,
dwbc20->dwbc_shift->WBSCL_COEF_RAM_SEL_CURRENT);
REG_UPDATE(WBSCL_MODE, WBSCL_COEF_RAM_SEL, !coef_ram_current);
}
}
static const struct dwbc_funcs dcn20_dwbc_funcs = {
.get_caps = dwb2_get_caps,
.enable = dwb2_enable,
.disable = dwb2_disable,
.update = dwb2_update,
.is_enabled = dwb2_is_enabled,
.set_stereo = dwb2_set_stereo,
.set_new_content = dwb2_set_new_content,
.set_warmup = dwb2_set_warmup,
.dwb_set_scaler = dwb2_set_scaler,
};
void dcn20_dwbc_construct(struct dcn20_dwbc *dwbc20,
struct dc_context *ctx,
const struct dcn20_dwbc_registers *dwbc_regs,
const struct dcn20_dwbc_shift *dwbc_shift,
const struct dcn20_dwbc_mask *dwbc_mask,
int inst)
{
dwbc20->base.ctx = ctx;
dwbc20->base.inst = inst;
dwbc20->base.funcs = &dcn20_dwbc_funcs;
dwbc20->dwbc_regs = dwbc_regs;
dwbc20->dwbc_shift = dwbc_shift;
dwbc20->dwbc_mask = dwbc_mask;
}
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